18961984

素因数分解:

$2^6\times {\mathrm{89}}^1\times {\mathrm{3329}}^1$

素因数の和:3430

約数の個数: 28

約数和(自身を含む): 38061900

約数和(自身を除く): 19099916

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 178, 356, 712, 1424, 2848, 3329, 5696, 6658, 13316, 26632, 53264, 106528, 213056, 296281, 592562, 1185124, 2370248, 4740496, 9480992, 18961984]

約数ペア:

[(1, 18961984), (2, 9480992), (4, 4740496), (8, 2370248), (16, 1185124), (32, 592562), (64, 296281), (89, 213056), (178, 106528), (356, 53264), (712, 26632), (1424, 13316), (2848, 6658), (3329, 5696)]